Marlena, Bekti, Rustiana Yuliasni, Sartamtomo, Agung Budiarto, Syarifa Arum, Misbachul Moenir, and Cholid Syahroni. 2020. “Removal of Ammonia on Catfish Processing Wastewater Using Horizontal Sub-Surface Flow Constructed Wetland (HSSFCW)”. Jurnal Riset Teknologi Pencegahan Pencemaran Industri 9 (1):15-21. https://doi.org/10.21771/jrtppi.2018.v9.no1.p15-21.